208483980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{1237}}^1$

素因数の和:1355

約数の個数: 72

約数和(自身を含む): 595458192

約数和(自身を除く): 386974212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1237, 1590, 2474, 2809, 3180, 3711, 4948, 5618, 6185, 7422, 8427, 11236, 12370, 14045, 14844, 16854, 18555, 24740, 28090, 33708, 37110, 42135, 56180, 65561, 74220, 84270, 131122, 168540, 196683, 262244, 327805, 393366, 655610, 786732, 983415, 1311220, 1966830, 3474733, 3933660, 6949466, 10424199, 13898932, 17373665, 20848398, 34747330, 41696796, 52120995, 69494660, 104241990, 208483980]

約数ペア:

[(1, 208483980), (2, 104241990), (3, 69494660), (4, 52120995), (5, 41696796), (6, 34747330), (10, 20848398), (12, 17373665), (15, 13898932), (20, 10424199), (30, 6949466), (53, 3933660), (60, 3474733), (106, 1966830), (159, 1311220), (212, 983415), (265, 786732), (318, 655610), (530, 393366), (636, 327805), (795, 262244), (1060, 196683), (1237, 168540), (1590, 131122), (2474, 84270), (2809, 74220), (3180, 65561), (3711, 56180), (4948, 42135), (5618, 37110), (6185, 33708), (7422, 28090), (8427, 24740), (11236, 18555), (12370, 16854), (14045, 14844)]